561476172 has 12 divisors (see below), whose sum is σ = 1310111096. Its totient is φ = 187158720.

The previous prime is 561476131. The next prime is 561476191. The reversal of 561476172 is 271674165.

561476172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 561476172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23394829 + ... + 23394852.

Almost surely, 2^561476172 is an apocalyptic number.

It is an amenable number.

561476172 is an abundant number, since it is smaller than the sum of its proper divisors (748634924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561476172 is a wasteful number, since it uses less digits than its factorization.

561476172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46789688 (or 46789686 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 561476172 is about 23695.4884313449. The cubic root of 561476172 is about 824.9806776007.

The spelling of 561476172 in words is "five hundred sixty-one million, four hundred seventy-six thousand, one hundred seventy-two".